linux/drivers/media/dvb-frontends/cxd2880/cxd2880_tnrdmd_dvbt_mon.c

// SPDX-License-Identifier: GPL-2.0
/*
 * cxd2880_tnrdmd_dvbt_mon.c
 * Sony CXD2880 DVB-T2/T tuner + demodulator driver
 * DVB-T monitor functions
 *
 * Copyright (C) 2016, 2017, 2018 Sony Semiconductor Solutions Corporation
 */

#include "cxd2880_tnrdmd_mon.h"
#include "cxd2880_tnrdmd_dvbt.h"
#include "cxd2880_tnrdmd_dvbt_mon.h"

#include <linux/int_log.h>

static const int ref_dbm_1000[3][5] = …;

static int is_tps_locked(struct cxd2880_tnrdmd *tnr_dmd);

int cxd2880_tnrdmd_dvbt_mon_sync_stat(struct cxd2880_tnrdmd
				      *tnr_dmd, u8 *sync_stat,
				      u8 *ts_lock_stat,
				      u8 *unlock_detected)
{ … }

int cxd2880_tnrdmd_dvbt_mon_sync_stat_sub(struct cxd2880_tnrdmd
					  *tnr_dmd, u8 *sync_stat,
					  u8 *unlock_detected)
{ … }

int cxd2880_tnrdmd_dvbt_mon_mode_guard(struct cxd2880_tnrdmd
				       *tnr_dmd,
				       enum cxd2880_dvbt_mode
				       *mode,
				       enum cxd2880_dvbt_guard
				       *guard)
{ … }

int cxd2880_tnrdmd_dvbt_mon_carrier_offset(struct cxd2880_tnrdmd
					   *tnr_dmd, int *offset)
{ … }

int cxd2880_tnrdmd_dvbt_mon_carrier_offset_sub(struct
					       cxd2880_tnrdmd
					       *tnr_dmd,
					       int *offset)
{ … }

int cxd2880_tnrdmd_dvbt_mon_tps_info(struct cxd2880_tnrdmd
				     *tnr_dmd,
				     struct cxd2880_dvbt_tpsinfo
				     *info)
{ … }

int cxd2880_tnrdmd_dvbt_mon_packet_error_number(struct
						cxd2880_tnrdmd
						*tnr_dmd,
						u32 *pen)
{ … }

int cxd2880_tnrdmd_dvbt_mon_spectrum_sense(struct cxd2880_tnrdmd
					   *tnr_dmd,
					    enum
					    cxd2880_tnrdmd_spectrum_sense
					    *sense)
{ … }

static int dvbt_read_snr_reg(struct cxd2880_tnrdmd *tnr_dmd,
			     u16 *reg_value)
{ … }

static int dvbt_calc_snr(struct cxd2880_tnrdmd *tnr_dmd,
			 u32 reg_value, int *snr)
{ … }

int cxd2880_tnrdmd_dvbt_mon_snr(struct cxd2880_tnrdmd *tnr_dmd,
				int *snr)
{ … }

int cxd2880_tnrdmd_dvbt_mon_snr_diver(struct cxd2880_tnrdmd
				      *tnr_dmd, int *snr,
				      int *snr_main, int *snr_sub)
{ … }

int cxd2880_tnrdmd_dvbt_mon_sampling_offset(struct cxd2880_tnrdmd
					    *tnr_dmd, int *ppm)
{ … }

int cxd2880_tnrdmd_dvbt_mon_sampling_offset_sub(struct
						cxd2880_tnrdmd
						*tnr_dmd, int *ppm)
{ … }

static int dvbt_calc_ssi(struct cxd2880_tnrdmd *tnr_dmd,
			 int rf_lvl, u8 *ssi)
{ … }

int cxd2880_tnrdmd_dvbt_mon_ssi(struct cxd2880_tnrdmd *tnr_dmd,
				u8 *ssi)
{ … }

int cxd2880_tnrdmd_dvbt_mon_ssi_sub(struct cxd2880_tnrdmd *tnr_dmd,
				    u8 *ssi)
{ … }

static int is_tps_locked(struct cxd2880_tnrdmd *tnr_dmd)
{ … }